public class put { public static void main(String[] args) { try { javax.script.ScriptEngine se = new javax.script.ScriptEngineManager().getEngineByName("javascript"); se.put("var_one", 7); se.put("var_two", 6); Object ret = se.eval("print(var_one * var_two);"); } catch (javax.script.ScriptException e) { System.out.println(e.toString()); } } }